#include <gtk/gtk.h>

void
on_radiobutton2_clicked                (GtkButton       *button,
                                        gpointer         user_data);

void
on_radiobutton1_clicked                (GtkButton       *button,
                                        gpointer         user_data);

void
on_button2_clicked                     (GtkButton       *button,
                                        gpointer         user_data);
